Ramalina intermedia (Delise ex Nyl.) Nyl.

Family :

Ramalinaceae

Nyl., Flora, Regensburg 56: 66 (1873)

Basionym: Ramalina minuscula var. intermedia Delise ex Nyl. 1870

ID :

BU/BRL/2022/036

Thallus :

Fruticose, caespitose, up to 3 cm long

Lobes :

Sparingly branched from a narrow holdfast branches: flat, +dorsiventral or subcylindrical, irregular in thickness in cross section, tips often ending in soralia, up to 1.5 mm wide

Upper Side:

Greenish yellow, shiny, smooth, sorediate

Isidia :

Granular, sub corticate, usually with isidioid branchlets, in subterminal or marginal soralia that are 0.4-0.5 mm in diam. pseudocyphellae: occasional, ellipsoid, laminal, +depressed, often forming soredia

Lower Side :

Thin; chondroid strands: continuous, cracked

Medulla :

Not observed

Apothecia :

Ascospores :

Cortex K-, C-, KC+ yellow, P-; medulla K-, C-, KC-, P- Secondary metabolites: cortex with usnic acid (major); medulla with homosekikaic acid (major), sekikaic acid (major) 4'-O-methylnorhomosekikaic acid (minor)

Chemistry :